JZJX Roots rotary vane vacuum unit, JZJX Roots rotary vane vacuum unit, vacuum pump
Product Introduction chinacoal05
 JZJX series Roots rotary vane vacuum pump unit is composed of ZJ Roots pump as the main pump and the single or two-stage rotary vane pump as the fore pump. This product gets high vacuum, wide range for pumping speed and other features.It is more suited to pumping the dry and clean gases.When it equips with the gas ballast,it can also suction the gas contains a small quantity of steam.The unit is widely used in metallurgy, chemical industry, petroleum, printing dyeing, food, textile and other areas.
 Type expression
 JZJX 300--4 (J)unit
 ZJ:the main pump is Roots vacuum pump 
 X : the fore pump is rotary vane pump
 300:the pumping speed of the main pump (L/S) 
4: the pumping speed ratio of the pump
Main Parameter
| Model | L1 | L2 | L3 | L4 | L5 | L6 | L7 | L8 | L9 | H | |
| JZJX30-8 | 650 | 85 | 360 | 530 | 550 | 25 | 500 | 550 | / | 12 | 1098 | 
| JZJX30-4 | 650 | 85 | 360 | 530 | 640 | 25 | 590 | 640 | / | 12 | 1128 | 
| JZJX70-8 | 930 | 165 | 600 | 930 | 770 | 20 | 610 | 650 | 35 | 14 | 1305 | 
| JZJX70-4 | 930 | 165 | 600 | 930 | 798 | 20 | 710 | 750 | 35 | 14 | 1305 | 
| JZJX150-8 | 1036 | 130 | 700 | 95 | 1118 | 20 | 768 | 808 | 300 | 15 | 1312 | 
| JZJX150-4 | 1072 | 230 | 530 | 990 | 1048 | 20 | 710 | 750 | 300 | 15 | 1440 |